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Polarization Mode Dispersion Measurements using Low-Coherence Interferometry
Luís M. N. Amaral; O. Frazão; M. B. Marques; Mário Lima; António TeixeiraAn interferometric setup for measuring Polarization Mode Dispersion (PMD), was tested. It uses a low-coherence technique in a Michelson interferometer to determine the PMD values in two reels, measuring the Differential Group Delay (DGD). The low-coherence source bounds the minimum value of DGD detected to 0,13 ps, leading to a minimum value detected around 0,14 ps. The measured PMD mean value for one reel, in ...
Hematological, biochemical and anatomopathological aspects of the experimental ...
Aquino,L.P.C.T.; Machado,R.Z.; Alessi,A.C.; Santana,A.E.; Castro,M.B.; Marques,L.C.; Malheiros,E.B.The course of experimental T. evansi infection in four dogs was followed for 82 days and hematological, biochemical and anatomopathological findings were studied. Infected animals showed progressive decrease in red blood cell count and hemoglobin concentration, leading to anemia which persisted from the third week post-infection until the end of the study. Leucopenia and neutropenia were observed between weeks ...
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